CA1101168A - Method of maintaining a balance of the radial stresses acting on the rotor cylinder in extrusion presses for paste and thermoplastic materials - Google Patents
Method of maintaining a balance of the radial stresses acting on the rotor cylinder in extrusion presses for paste and thermoplastic materialsInfo
- Publication number
- CA1101168A CA1101168A CA261,351A CA261351A CA1101168A CA 1101168 A CA1101168 A CA 1101168A CA 261351 A CA261351 A CA 261351A CA 1101168 A CA1101168 A CA 1101168A
- Authority
- CA
- Canada
- Prior art keywords
- rotor
- chamber
- press
- extrusion
- peripheral surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000001125 extrusion Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000012815 thermoplastic material Substances 0.000 title claims abstract description 6
- 239000000463 material Substances 0.000 claims abstract description 35
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 11
- 230000001464 adherent effect Effects 0.000 claims abstract description 5
- 235000011837 pasties Nutrition 0.000 claims abstract description 4
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 238000007790 scraping Methods 0.000 claims description 2
- 230000000977 initiatory effect Effects 0.000 abstract 1
- 230000009466 transformation Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002052 molecular layer Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/52—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices with rollers or the like, e.g. calenders
- B29B7/523—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices with rollers or the like, e.g. calenders co-operating with casings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/465—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT45.512-A/75 | 1975-09-17 | ||
| IT45512/75A IT1050956B (it) | 1975-09-17 | 1975-09-17 | Metodo per mantenere equilibrate in ogni regime di lavoro le sollecitazioni radiali operanti sul cilindro rotorico di presse di estrusione di materie pastose e termplastiche |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1101168A true CA1101168A (en) | 1981-05-19 |
Family
ID=11257172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA261,351A Expired CA1101168A (en) | 1975-09-17 | 1976-09-16 | Method of maintaining a balance of the radial stresses acting on the rotor cylinder in extrusion presses for paste and thermoplastic materials |
Country Status (7)
| Country | Link |
|---|---|
| AT (1) | ATA658576A (cg-RX-API-DMAC7.html) |
| CA (1) | CA1101168A (cg-RX-API-DMAC7.html) |
| CH (1) | CH613889A5 (cg-RX-API-DMAC7.html) |
| DE (1) | DE2639704A1 (cg-RX-API-DMAC7.html) |
| FR (1) | FR2324444A1 (cg-RX-API-DMAC7.html) |
| IT (1) | IT1050956B (cg-RX-API-DMAC7.html) |
| NL (1) | NL7610160A (cg-RX-API-DMAC7.html) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1111225A (en) * | 1977-05-11 | 1981-10-27 | Zehev Tadmor | Method and apparatus for processing polymeric material |
| US4227816A (en) | 1978-08-21 | 1980-10-14 | Usm Corporation | Rotary processor |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2803039A (en) * | 1953-12-10 | 1957-08-20 | Union Carbide Corp | Continuous plastic milling |
| NL109251C (cg-RX-API-DMAC7.html) * | 1957-02-08 | 1900-01-01 | ||
| DE1479894B2 (de) * | 1961-06-10 | 1972-03-02 | Beck, Erich, 6520 Worms Weinsheim | Vorrichtung zur herstellung von platten oder folienbahnen aus thermoplastischem kunststoff |
| CH440677A (de) * | 1965-06-08 | 1967-12-29 | Jens Dipl Ing Werenskiold | Verfahren zur Herstellung und Verarbeitung von unbeschichteten oder beschichteten Kunststoff-Folien |
| US3880564A (en) * | 1972-11-16 | 1975-04-29 | Askco Engineering Corp | Apparatus for producing plastic sheet or film stock |
-
1975
- 1975-09-17 IT IT45512/75A patent/IT1050956B/it active
-
1976
- 1976-09-02 CH CH1117676A patent/CH613889A5/xx not_active IP Right Cessation
- 1976-09-03 DE DE19762639704 patent/DE2639704A1/de not_active Withdrawn
- 1976-09-06 AT AT658576A patent/ATA658576A/de not_active Application Discontinuation
- 1976-09-09 FR FR7627163A patent/FR2324444A1/fr active Granted
- 1976-09-13 NL NL7610160A patent/NL7610160A/xx not_active Application Discontinuation
- 1976-09-16 CA CA261,351A patent/CA1101168A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2639704A1 (de) | 1977-03-24 |
| FR2324444B1 (cg-RX-API-DMAC7.html) | 1981-06-26 |
| CH613889A5 (en) | 1979-10-31 |
| NL7610160A (nl) | 1977-03-21 |
| IT1050956B (it) | 1981-03-20 |
| FR2324444A1 (fr) | 1977-04-15 |
| ATA658576A (de) | 1980-05-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry | ||
| MKEX | Expiry |
Effective date: 19980519 |
|
| MKEX | Expiry |
Effective date: 19980519 |